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You're reading from  Elasticsearch Indexing

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Published inDec 2015
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ISBN-139781783987023
Edition1st Edition
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Author (1)
Huseyin Akdogan
Huseyin Akdogan
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Huseyin Akdogan

Hüseyin Akdoğan began his software adventure with the GwBasic programming language. He started learning the Visual Basic language after QuickBasic and developed many applications until 2000, after which he stepped into the world of Web with PHP. After this, he came across Java! In addition to counseling and training activities since 2005, he developed enterprise applications with JavaEE technologies. His areas of expertise are JavaServer Faces, Spring Frameworks, and big data technologies such as NoSQL and Elasticsearch. Along with these, he is also trying to specialize in other big data technologies. Hüseyin also writes articles on Java and big data technologies and works as a technical reviewer of big data books. He was a reviewer of one of the bestselling books, Mastering Elasticsearch – Second Edition.
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Optimization of mapping definition


If your search requirements allow it, there are some tips for optimization in the mapping definition of your index for when you need to improve the indexing performance. In the following section, we will look at those tips.

Norms

Scoring is the process of calculating the score of a document in the scope of a particular query and is an important part of the query process in Lucene. The score indicates how well the document matches the query. In other words, it is a factor that shows how close the document you are looking for. This means, the higher the score, the more relevant the document. There are several factors that are a determinant in calculating the score. One of them is the norms.

Lucene takes field length into account for the default relevance calculation. When a searched term is found in a short field (content length is short), Lucene thinks it is more likely that the content of that field is about the term than if the same term contains in a long...

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Elasticsearch Indexing
Published in: Dec 2015Publisher: ISBN-13: 9781783987023

Author (1)

author image
Huseyin Akdogan

Hüseyin Akdoğan began his software adventure with the GwBasic programming language. He started learning the Visual Basic language after QuickBasic and developed many applications until 2000, after which he stepped into the world of Web with PHP. After this, he came across Java! In addition to counseling and training activities since 2005, he developed enterprise applications with JavaEE technologies. His areas of expertise are JavaServer Faces, Spring Frameworks, and big data technologies such as NoSQL and Elasticsearch. Along with these, he is also trying to specialize in other big data technologies. Hüseyin also writes articles on Java and big data technologies and works as a technical reviewer of big data books. He was a reviewer of one of the bestselling books, Mastering Elasticsearch – Second Edition.
Read more about Huseyin Akdogan